DE3877177T2 - Ausrueckbarer und bei niedriger drehzahl wirksamer daempfer. - Google Patents
Ausrueckbarer und bei niedriger drehzahl wirksamer daempfer.Info
- Publication number
- DE3877177T2 DE3877177T2 DE8888905067T DE3877177T DE3877177T2 DE 3877177 T2 DE3877177 T2 DE 3877177T2 DE 8888905067 T DE8888905067 T DE 8888905067T DE 3877177 T DE3877177 T DE 3877177T DE 3877177 T2 DE3877177 T2 DE 3877177T2
- Authority
- DE
- Germany
- Prior art keywords
- shaft
- bushing
- rotor
- vibration
- damping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000013016 damping Methods 0.000 claims description 39
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000013459 approach Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 230000000087 stabilizing effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013017 mechanical damping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000020347 spindle assembly Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/12—Suspending rotary bowls ; Bearings; Packings for bearings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2109—Balancing for drum, e.g., washing machine or arm-type structure, etc., centrifuge, etc.
Landscapes
- Centrifugal Separators (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Vibration Prevention Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/053,452 US5026341A (en) | 1987-05-22 | 1987-05-22 | Low speed disengageable damper |
| PCT/US1988/001427 WO1988009218A1 (en) | 1987-05-22 | 1988-05-02 | Improved low speed disengageable damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3877177D1 DE3877177D1 (de) | 1993-02-11 |
| DE3877177T2 true DE3877177T2 (de) | 1993-04-29 |
Family
ID=21984338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8888905067T Expired - Lifetime DE3877177T2 (de) | 1987-05-22 | 1988-05-02 | Ausrueckbarer und bei niedriger drehzahl wirksamer daempfer. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5026341A (enrdf_load_stackoverflow) |
| EP (1) | EP0323490B1 (enrdf_load_stackoverflow) |
| JP (1) | JPH0618594Y2 (enrdf_load_stackoverflow) |
| CN (1) | CN2030911U (enrdf_load_stackoverflow) |
| CA (1) | CA1330214C (enrdf_load_stackoverflow) |
| DE (1) | DE3877177T2 (enrdf_load_stackoverflow) |
| WO (1) | WO1988009218A1 (enrdf_load_stackoverflow) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2694509B1 (fr) * | 1992-08-04 | 1994-10-07 | Jouan | Centrifugeur comportant un arbre d'entraînement de rotor à joint élastique d'amortissement et arbre correspondant. |
| KR100363247B1 (ko) * | 1995-10-28 | 2003-02-14 | 삼성전자 주식회사 | 진동구조물및그것의고유진동수제어방법 |
| US5683341A (en) * | 1996-03-14 | 1997-11-04 | Piramoon Technologies, Inc. | Quill shaft suspension for centrifuge rotor having central stator |
| ATE212566T1 (de) * | 1996-04-30 | 2002-02-15 | Dade Behring Inc | Vorrichtung und verfahren zur stabilisierung eines zentrifugenrotors |
| US5921150A (en) * | 1997-01-28 | 1999-07-13 | Sorvall Products, L.P. | Imbalance tolerant drive system for a rotating apparatus |
| SE517176C2 (sv) * | 1997-06-11 | 2002-04-23 | Alfa Laval Ab | Stödanordning för en centrifugalseparator |
| SE512770C2 (sv) * | 1998-02-19 | 2000-05-08 | Alfa Laval Ab | Stödanordning |
| EP1108434B1 (en) | 1998-08-24 | 2014-05-14 | Kurokawa, Kiyoshi | Drugs for relieving carbonyl stress and peritoneal dialysates |
| US6183408B1 (en) * | 1999-05-03 | 2001-02-06 | Beckman Coulter, Inc. | Rotor shaft assembly having non-linear stiffness |
| US6354988B1 (en) * | 1999-06-17 | 2002-03-12 | Kendro Laboratory Products, Llp | Centrifuge gyro diaphragm capable of maintaining motor shaft concentricity |
| US7806820B2 (en) * | 2007-05-02 | 2010-10-05 | Gary Wayne Howell | Automatic balancing device and system for centrifuge rotors |
| DE102017128027A1 (de) * | 2017-11-27 | 2019-05-29 | Gea Mechanical Equipment Gmbh | Separator |
Family Cites Families (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE203966C (enrdf_load_stackoverflow) * | ||||
| US770385A (en) * | 1904-09-20 | Ert williamson | ||
| US525468A (en) * | 1894-09-04 | James h | ||
| CA643097A (en) * | 1962-06-19 | Schwitzer Corporation | Torsional vibration damper | |
| US886921A (en) * | 1907-01-17 | 1908-05-05 | Edgerly R Bailey | Cream-separator. |
| US1162125A (en) * | 1914-12-17 | 1915-11-30 | Pliny E Bassett | Device for overcoming vibration of spindles. |
| US1502677A (en) * | 1921-03-26 | 1924-07-29 | Harry C Law | Centrifugal drier |
| US1886246A (en) * | 1927-07-30 | 1932-11-01 | Alexander J Bocz | Harmonic antivibrator |
| US1765477A (en) * | 1927-10-12 | 1930-06-24 | Eli O Ackerman | Vibration-dampening device |
| US1776144A (en) * | 1928-10-15 | 1930-09-16 | Alanson P Brush | Vibration dampener |
| NL29010C (enrdf_load_stackoverflow) * | 1929-10-12 | |||
| US1928763A (en) * | 1931-02-12 | 1933-10-03 | Budd Wheel Co | Gear |
| US1970377A (en) * | 1933-01-28 | 1934-08-14 | Gen Electric | Centrifugal machine |
| GB492433A (en) * | 1936-05-15 | 1938-09-20 | Maurice Francois Alexandre Jul | Improvements in and relating to resilient supports |
| US2129992A (en) * | 1937-04-09 | 1938-09-13 | Mattia Anthony De | Centrifugal separator |
| DE723047C (de) * | 1937-11-24 | 1942-07-27 | Waertsilae Yhthymae O Y Waerts | Lageranordnung fuer rasch umlaufende Wellen |
| FR848674A (fr) * | 1939-01-10 | 1939-11-03 | Edmond Garin Duchatel & Co | Perfectionnements aux séparateurs centrifuges |
| US2951731A (en) * | 1944-09-25 | 1960-09-06 | Frank C Rushing | Centrifuges |
| FI22529A (fi) * | 1946-05-08 | 1947-11-10 | Landsverk Ab | Anordning vid centrifuger |
| US2524678A (en) * | 1947-08-15 | 1950-10-03 | Charles A Olcott | Suspended gyratory centrifugal |
| BE545261A (enrdf_load_stackoverflow) * | 1955-02-19 | |||
| GB820042A (en) * | 1957-05-31 | 1959-09-16 | Holset Engineering Co | Torsional vibration damper |
| US2961277A (en) * | 1957-12-23 | 1960-11-22 | Gen Electric | Functional bearings |
| US3135689A (en) * | 1958-09-19 | 1964-06-02 | Bernard F Garvey | Dampener assembly |
| US3322338A (en) * | 1963-04-15 | 1967-05-30 | Beckman Instruments Inc | Centrifuge stabilizing assembly with heat probe |
| US3306681A (en) * | 1964-08-07 | 1967-02-28 | Hubert P Barringer | Damped bearing for centrifuges |
| US3430852A (en) * | 1967-06-08 | 1969-03-04 | Beckman Instruments Inc | Rotor stabilizer |
| GB1210038A (en) * | 1969-09-18 | 1970-10-28 | Heinz Janetzki Kg Maschb | High speed laboratory centrifuge |
| DE2122602A1 (de) * | 1971-05-07 | 1972-11-16 | Maschinenfabrik Augsburg-Nürnberg AG, 8000 München | Dämpfungsvorrichtung für einen inhomogenen Rotor einer Zentrifuge |
| US3770191A (en) * | 1971-06-28 | 1973-11-06 | Sorvall Inc Ivan | Means for stabilizing high speed rotors |
| US3902659A (en) * | 1971-12-15 | 1975-09-02 | Kernverfahrenstechnik Gmbh | Device for stabilizing the rotor of high-speed centrifuges |
| SU543430A1 (ru) * | 1974-11-27 | 1977-01-25 | Предприятие П/Я В-2262 | Привод центрифуги |
| FR2303996A1 (fr) * | 1975-03-13 | 1976-10-08 | Metzeler Kautschuk | Amortisseur de vibrations en torsion |
| US3958753A (en) * | 1975-04-11 | 1976-05-25 | Beckman Instruments, Inc. | Air driven centrifuge |
| DE2632586C2 (de) * | 1976-07-20 | 1983-05-19 | Gesellschaft für Kernverfahrenstechnik mbH, 5170 Jülich | Verfahren und Vorrichtung zum Durchlaufen kritischer Drehzahlen langgestreckter Rotoren |
| DE2744051A1 (de) * | 1977-09-30 | 1979-04-05 | Goetze Ag | Schwingungstilger fuer rotierende wellen |
| US4205779A (en) * | 1979-03-14 | 1980-06-03 | Beckman Instruments, Inc. | Pressure bypass ports for an ultracentrifuge drive system in a vacuum environment |
| EP0109410A1 (en) * | 1982-05-19 | 1984-05-30 | Beckman Instruments, Inc. | Centrifuge stabilizing bearing |
| DE3314503C2 (de) * | 1983-04-21 | 1985-08-29 | Goetze Ag, 5093 Burscheid | Schwingungstilger |
-
1987
- 1987-05-22 US US07/053,452 patent/US5026341A/en not_active Expired - Lifetime
-
1988
- 1988-05-02 JP JP1989600003U patent/JPH0618594Y2/ja not_active Expired - Lifetime
- 1988-05-02 DE DE8888905067T patent/DE3877177T2/de not_active Expired - Lifetime
- 1988-05-02 WO PCT/US1988/001427 patent/WO1988009218A1/en active IP Right Grant
- 1988-05-02 EP EP88905067A patent/EP0323490B1/en not_active Expired - Lifetime
- 1988-05-12 CA CA000566549A patent/CA1330214C/en not_active Expired - Fee Related
- 1988-05-21 CN CN88207954.9U patent/CN2030911U/zh not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP0323490B1 (en) | 1992-12-30 |
| JPH0618594Y2 (ja) | 1994-05-18 |
| WO1988009218A1 (en) | 1988-12-01 |
| CA1330214C (en) | 1994-06-14 |
| EP0323490A1 (en) | 1989-07-12 |
| CN2030911U (zh) | 1989-01-18 |
| DE3877177D1 (de) | 1993-02-11 |
| US5026341A (en) | 1991-06-25 |
| JPH02500031U (enrdf_load_stackoverflow) | 1990-12-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |